{"uid":"cap_vCme_FLLJy8TepiSnonfY","slug":"gedx402-gpt-oss-20b-llm-x402-pay-per-call-8ff3d0a6","name":"GEDX402 GPT-OSS-20B LLM (x402 Pay-per-Call)","description":"x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.","url":"https://ged-x402-llm.jvalamis.workers.dev/v1/llm/gpt-oss-20b","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"messages":{"type":"array","items":{"type":"object"}},"max_tokens":{"type":"integer"}}},"responseSchema":{"type":"json","example":{"model":"@cf/openai/gpt-oss-20b","response":"Hello!"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eturwHkEIu_pvTxkCiSQs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs inference on the @cf/openai/gpt-oss-20b model via Cloudflare Workers AI, billed per-call in USDC over x402 with no API key required.","exampleAgentPrompt":"Using the gpt-oss-20b model on the x402 Workers AI endpoint (paying $0.025 USDC), send this conversation: system: 'You are a helpful assistant', user: 'Explain quantum entanglement in simple terms', and cap the reply at 300 tokens.","exampleUseCases":null,"resultDescription":"A JSON object containing the model name (@cf/openai/gpt-oss-20b) and the generated assistant response text string.","failureModes":["Payment not received or insufficient USDC balance returns 402 Payment Required","Invalid messages array structure (missing role or content) returns 400 Bad Request","max_tokens exceeds 4096 returns validation error","Network timeout if Workers AI inference takes too long","Unsupported blockchain network for USDC payment causes payment failure"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call LLM inference with no API key or subscription, want to pay with USDC across Base, Polygon, Arbitrum, World, or Solana, and specifically want the @cf/openai/gpt-oss-20b model hosted on Cloudflare Workers AI. Ideal for agents or developers who want frictionless crypto-native access to a capable open-source GPT model at $0.025 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:32:35.422Z","isFirstParty":false}